The length of the gateway profile name, profile_name in
the preceding format, must not exceed 11 bytes. The name must be the same
as the name for the GATEWAY_PROFILE channel option in the
SMS channel option file. The name is case insensitive. For a list of the valid
channel options, see C.3.3 Available Options

Set the gateway profile options (for example, SMSC_DEFAULT_CHARSET) to match characteristics of the remote SMSC.

Set the other gateway profile options to match the SMS channel’s
email characteristics.

Any name may be used for the relay’s name. All that matters is
that the name not be used for any other SMPP relay instantiation within the
same configuration file.

Set the LISTEN_PORT option.

The
value used for the SMS channel’s SMPP_PORT option
must match that used for the relay’s LISTEN_PORT option.
For the LISTEN_PORT, select a TCP port number which is
not used by any other SMPP relay or server instantiation nor by any other
server running on the same computer.

Set the SERVER_HOST option.

The
relay’s SERVER_HOST option should give the host name
for the remote SMSC’s SMPP server. An IP address may be used in place
of a host name.

Set the SERVER_PORT option.

The
relay’s SERVER_PORT option should give the TCP port
for the remote SMSC’s SMPP server.